Home / 1,353,615.90-1,867,990.24-809,774.34

Finding the Fourth Proportional to 1,353,615.90, 1,867,990.24 and 809,774.34

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Solution

The fourth proportional to 1,353,615.90, 1,867,990.24 and 809,774.34 is: 1,117,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,615.90 : 1,867,990.24 = 809,774.34 : x
  2. Step 2: Convert to fraction form
    1,353,615.90/1,867,990.24 = 809,774.34/x
  3. Step 3: Cross multiply
    1,353,615.90x = 1,867,990.24 × 809,774.34
  4. Step 4: Simplify right side
    1,353,615.90x = 1,512,650,563,722.44
  5. Step 5: Solve for x
    x = 1,512,650,563,722.44/1,353,615.90
  6. Step 6: Final answer
    x = 1,117,488.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.